Enhanced CTorrent Code

Fix implementation of vsnprintf

Fix implementation of vsnprintf

Make staging directory configurable

Console revamp, primarily to work better with Config but also contains other
changes for consistency and optimization.

Status line snooze feature

Initialize console user mode

Console improvements:
* ConDevice added for state management
* Shutdown function
* Eliminate static variables in functions
Standardize exit status values.

Fix broken config file parsing, and save debug options first.

Configuration file and menu

New configuration handling.